Average age of mothers at childbirth in Portugal

Portugal: Average age of mothers at childbirth was 31.73 years in 2023. ▬ Flat

Latest (2023)
31.73 years
Change on year
down 0.0%
World rank
21st
of 236 countries
All-time high
31.73 years
in 2022
All-time low
27.06 years
in 1984
Years of data
84
1940–2023

Average age of mothers at childbirth in Portugal, 1940–2023

0102030194019812023

Source: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in years.

Analysis

In 2023, average age of mothers at childbirth in Portugal stood at 31.73 years.

The figure is up 4.4% over ten years.

Over the whole period, average age of mothers at childbirth in Portugal peaked at 31.73 years in 2022 and was at its lowest, 27.06 years, in 1984.

That places Portugal 21st out of 236 countries with data for 2023, putting it in the top 10%.

Average age of mothers at childbirth in Portugal, year by year

Annual values for Average age of mothers at childbirth in Portugal, 1940 to 2023.
Year years Change
1940 30.53 years —
1941 30.5 years -0.1%
1942 30.52 years +0.1%
1943 30.45 years -0.2%
1944 30.55 years +0.3%
1945 30.45 years -0.3%
1946 30.4 years -0.2%
1947 30.31 years -0.3%
1948 30.35 years +0.1%
1949 30.29 years -0.2%
1950 30.22 years -0.2%
1951 30.27 years +0.2%
1952 30.24 years -0.1%
1953 30.15 years -0.3%
1954 30.13 years -0.1%
1955 30.24 years +0.4%
1956 30.1 years -0.4%
1957 29.89 years -0.7%
1958 29.83 years -0.2%
1959 29.71 years -0.4%
1960 29.67 years -0.1%
1961 29.68 years +0.0%
1962 29.62 years -0.2%
1963 29.66 years +0.1%
1964 29.6 years -0.2%
1965 29.53 years -0.2%
1966 29.46 years -0.2%
1967 29.36 years -0.4%
1968 29.28 years -0.2%
1969 29.21 years -0.2%
1970 29.1 years -0.4%
1971 29.09 years -0.0%
1972 29.03 years -0.2%
1973 29.01 years -0.0%
1974 28.8 years -0.8%
1975 28.32 years -1.6%
1976 27.68 years -2.3%
1977 27.46 years -0.8%
1978 27.37 years -0.3%
1979 27.31 years -0.2%
1980 27.23 years -0.3%
1981 27.24 years +0.0%
1982 27.16 years -0.3%
1983 27.11 years -0.2%
1984 27.06 years -0.2%
1985 27.12 years +0.2%
1986 27.11 years -0.1%
1987 27.19 years +0.3%
1988 27.2 years +0.0%
1989 27.25 years +0.2%
1990 27.35 years +0.3%
1991 27.48 years +0.5%
1992 27.61 years +0.4%
1993 27.69 years +0.3%
1994 27.83 years +0.5%
1995 28 years +0.6%
1996 28.12 years +0.4%
1997 28.24 years +0.4%
1998 28.39 years +0.6%
1999 28.49 years +0.3%
2000 28.57 years +0.3%
2001 28.71 years +0.5%
2002 28.83 years +0.4%
2003 28.99 years +0.6%
2004 29.11 years +0.4%
2005 29.23 years +0.4%
2006 29.37 years +0.5%
2007 29.45 years +0.2%
2008 29.56 years +0.4%
2009 29.64 years +0.3%
2010 29.82 years +0.6%
2011 30.05 years +0.8%
2012 30.18 years +0.4%
2013 30.39 years +0.7%
2014 30.66 years +0.9%
2015 30.88 years +0.7%
2016 31.08 years +0.6%
2017 31.19 years +0.4%
2018 31.32 years +0.4%
2019 31.41 years +0.3%
2020 31.56 years +0.5%
2021 31.73 years +0.5%
2022 31.73 years +0.0%
2023 31.73 years -0.0%

Portugal compared with similar countries

  • Portugal's 31.73 years is above the median for high income countries, which is 30.49 years, 1.0× the median. (85 countries reporting)
  • Portugal's 31.73 years is above the median for Europe & Central Asia, which is 30.36 years, 1.0× the median. (56 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1940s 30.44 years 30.29 years 30.55 years 10
1950s 30.08 years 29.71 years 30.27 years 10
1960s 29.51 years 29.21 years 29.68 years 10
1970s 28.32 years 27.31 years 29.1 years 10
1980s 27.17 years 27.06 years 27.25 years 10
1990s 27.92 years 27.35 years 28.49 years 10
2000s 29.15 years 28.57 years 29.64 years 10
2010s 30.7 years 29.82 years 31.41 years 10
2020s 31.69 years 31.56 years 31.73 years 4

Countries ranked near Portugal

  1. 18 Libya 31.89 years compare
  2. 19 Taiwan 31.88 years compare
  3. 20 Netherlands 31.78 years compare
  4. 22 Cyprus 31.7 years compare
  5. 23 Oman 31.65 years compare
  6. 24 Denmark 31.64 years compare

See the full ranking of 236 places →

More reference data data for Portugal

All data for Portugal →

Frequently asked questions

What is average age of mothers at childbirth in Portugal?
Average age of mothers at childbirth in Portugal was 31.73 years in 2023, according to Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest average age of mothers at childbirth recorded in Portugal?
The highest recorded value was 31.73 years in 2022.
What is the lowest average age of mothers at childbirth recorded in Portugal?
The lowest recorded value was 27.06 years in 1984.
How does Portugal rank for average age of mothers at childbirth?
Portugal ranks 21st out of 236 countries with data for 2023.
Is average age of mothers at childbirth rising or falling in Portugal?
Over the last ten years it is up 4.4%. The long-run trend across the full record is flat.
Where does this Portugal data come from?
The figures come from Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Average age of mothers at childbirth. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 84 observations, free to reuse under CC BY 4.0 (Our World in Data).

Share, cite or embed this page

Cite this page

Average age of mothers at childbirth in Portugal. Statizoid, drawing on Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 28 September 2026, from https://reference.statizoid.com/stat/period-average-age-of-mothers/portugal/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/stat/period-average-age-of-mothers/portugal/">Average age of mothers at childbirth in Portugal</a> — Statizoid

About this data

Indicator
Average age of mothers at childbirth
Unit
years
Source
Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,683 data points, 1891–2023
Last refreshed

Mean age of mothers at the birth of their children if women were subject throughout their lives to the age-specific fertility rates observed in a given year.